Data Compression

How to Compress Folders to Burn to CD

How to Compress Folders to Burn to CD
A CD-ROM can store up to 700MB of data, but there are times when you need to squeeze a little bit more onto a CD or you want to combine a group of files into one easy package. The best way to do this is by using a zip utility to compress your files a

How to Extract ZIP Files With Perl

How to Extract ZIP Files With Perl
One of the core PERL modules that comes with every installation of the scripting language is the Archive module, which includes a number of tools for working with ZIP files and other types of archives. Besides the ubiquitous ZIP format, the Perl Arch

How to Compress a Photo to a Smaller Size in JPEG Format

How to Compress a Photo to a Smaller Size in JPEG Format
The size of a digital image refers not only to what size the image is when it's printed, but also to how much disk space it takes up. In order to decrease the physical size of an image, you must crop or resize it. In order to decrease its virtual siz

How to Compress a DOC File

How to Compress a DOC File
Over time, documents accumulate on a computer, take up space and make it more difficult to find the right one. Placing these files into compressed folders frees up memory on the hard drive, while still keeping them organized in folders. Windows opera

How to Compress Music Files

How to Compress Music Files
Since you can compact as much as 20 megabytes (MB) into 1 MB of space in some cases, compressing music files can be a major computer space saver. If you plan on expanding your lyrical library, you benefit from compacting these file types. Consider im

How to Extract a Zip File on a Mac

How to Extract a Zip File on a Mac
A zip file is a compressed file. Files often are zipped in order to make them smaller---to save space on a hard drive and make it possible to them with email. Once you zip a file, the file takes on a .zip file extension and the file icon appears as a

How to Use File Attributes With 7-Zip

How to Use File Attributes With 7-Zip
7-Zip is an open source file archiver that has a high compression ratio. Although 7-Zip can handle the usual compressed file formats, users can also associate other formats with the application. The RAR format is another compression format that compe

How to Get WinZip to Compress a PDF

How to Get WinZip to Compress a PDF
WinZip zips and compresses files together to save space and to send multiple files at once (over email or on a disk, for example). Zip files (.zip, .zipx) are referred to as "archives" and are composed of at least one file. People often use zip

How to Compress an Excel Spreadsheet

How to Compress an Excel Spreadsheet
Excel spreadsheets can contain massive amounts of data. You may find that an Excel spreadsheet you've created is simply too large to store on your flash drive or to send in an email. The solution to this problem is to compress the Excel spreadsheet b

How to Zip Files With Folder Structure

How to Zip Files With Folder Structure
To zip files and retain the original folder structure in the file archive, several zipping tools may be utilized. Popular tools such as WinRAR and 7-Zip will automatically retain the folder structure during ZIP file creation. However, some tools, suc

Portable Zip Password Recovery

Portable Zip Password Recovery
There are few things more frustrating than forgetting the password to your own ZIP archive, especially when it contains important files you (or your boss) need right now. Portable ZIP Password Recovery Magic is a utility that allows you to recover th

How to Use 7-Zip on Linux

How to Use 7-Zip on Linux
7-Zip is a compression and archival format, originally developed for the Microsoft Windows operating system. A 7-Zip archive is a file that contains many other files, possibly compressing them to save space, and that preserves the directory structure
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